/* ========================================
   NAVIGATION
======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
    background: transparent;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-bottom-color: var(--glass-border);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-logo .logo-accent {
    color: var(--color-primary);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.navbar-links {
    display: none;
    gap: var(--space-6);
}

@media (min-width: 900px) {
    .navbar-links {
        display: flex;
    }
}

.navbar-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--color-text-primary);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 100%;
}

/* ========================================
   BUTTONS
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    font-family: var(--font-body);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    line-height: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 1s ease-out, height 1s ease-out;
}

.btn:hover::before {
    width: 1200px;
    height: 1200px;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(227, 27, 35, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(227, 27, 35, 0.4);
    transform: translateY(-2px);
    color: #ffffff !important;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn span,
.btn .icon-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    line-height: 1;
}

.btn .icon-arrow::before {
    content: '→';
    font-size: 16px;
    line-height: 1;
    display: block;
}

.btn:hover .icon-arrow {
    transform: translateX(4px);
}

/* ========================================
   THEME TOGGLE
======================================== */

.theme-toggle {
    width: 48px;
    height: 48px;
    /* Will be overridden by theme-toggle-fix.css for responsive */
}

.theme-icon-sun,
[data-theme="light"] .theme-icon-moon {
    display: none;
}

[data-theme="light"] .theme-icon-sun {
    display: block;
}

.theme-icon-moon {
    display: block;
}

/* ========================================
   SERVICE CARDS
======================================== */

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--shadow-glow);
    border-color: rgba(227, 27, 35, 0.3);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(227, 27, 35, 0.1) 0%, rgba(227, 27, 35, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: all var(--transition-slow);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: var(--shadow-glow);
    transform: scale(1.1) rotate(5deg);
}

.service-icon svg,
.service-icon i {
    width: 32px;
    height: 32px;
    font-size: 32px;
    color: var(--color-primary);
    transition: color var(--transition-base);
}

.service-card:hover .service-icon svg,
.service-card:hover .service-icon i {
    color: #ffffff;
}

.service-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--color-text-primary);
}

.service-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.service-features li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.service-features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--text-base);
}

/* ========================================
   PORTFOLIO CARDS
======================================== */

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.portfolio-image {
    width: 100%;
    height: 100%;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.portfolio-icon {
    font-size: 4rem;
    opacity: 0.8;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-placeholder {
    transform: scale(1.1);
}

.portfolio-content {
    transform: translateY(20px);
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.portfolio-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-2);
}

.portfolio-description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   SECTION HEADER
======================================== */

.section-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--text-4xl);
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: var(--text-3xl);
    }

    .section-description {
        font-size: var(--text-base);
    }
}